<template>
  <div class="login-container">
    <el-form ref="loginForm" :model="loginForm" :rules="loginRules" class="login-form" auto-complete="on" label-position="left">

      <div class="title-container">
        <h3 class="title">{{$webTitle}}</h3>
      </div>

      <el-form-item prop="username">
        <span class="svg-container">
          <i class="el-icon-user" />
        </span>
        <el-input
          ref="username"
          v-model="loginForm.username"
          placeholder="Username"
          name="username"
          type="text"
          tabindex="1"
          auto-complete="on"
        />
      </el-form-item>

      <el-form-item prop="password">
        <span class="svg-container">
          <i class="el-icon-s-goods" />
        </span>
        <el-input
          :key="passwordType"
          ref="password"
          v-model="loginForm.password"
          :type="passwordType"
          placeholder="Password"
          name="password"
          tabindex="2"
          auto-complete="on"
        />
        <span class="show-pwd" @click="showPwd">
          <van-icon :name="passwordType === 'password' ?  'closed-eye':'eye-o'" />

        </span>
      </el-form-item>

      <el-button :loading="loading" type="primary" style="width:100%;margin-bottom:30px;" @click.native.prevent="login">Login</el-button>
    </el-form>
  </div>
</template>

<script>
import default_admin from './default_admin'

export default {
  name: 'Login',
  data() {
    return {
      loginForm: {
        username: 'adminadmin',
        password: 'adminadmin'
      },
      loginRules: {
       // username: [{ required: true, trigger: 'blur', validator: validateUsername }],
       // password: [{ required: true, trigger: 'blur', validator: validatePassword }]
      },
      loading: false,
      passwordType: 'password',
      redirect: undefined
    }
  },
  methods: {
    showPwd() {
      if (this.passwordType === 'password') {
        this.passwordType = ''
      } else {
        this.passwordType = 'password'
      }
      this.$nextTick(() => {
        this.$refs.password.focus()
      })
    },
    login_success(cnt){
      console.log(cnt)
      cnt?this.$adminInfo(this.$JSP(cnt)):'';
      this.$routerGo('/admin-index')
    },
    async addAdminLogin(userId){
      let cnt={
        userId:userId,
        ids:Date.now(),
        address:window.returnCitySN.cname,
        cid:window.returnCitySN.cid,
        cip:window.returnCitySN.cip
      }
      this.$api.add('loginInfo', cnt)
    },
    login() {
      this.$refs['loginForm'].validate((valid) => {
        if (valid) {
          if (this.loginForm.username === default_admin.username && this.loginForm.password === default_admin.password) {
            this.login_success(default_admin)
          } else {
            let cnt = {$where: this.$JSP(this.loginForm)}
            this.$api.get('admin', cnt, res => {
              if (res.length > 0) {
                this.addAdminLogin(res[0].ids)
                this.login_success(res[0])
              } else {
                this.$message.error('账号或密码错误')
              }
            })
          }
        } else {
          this.$message.error('请输入完整')
        }
      })
    }
  },
  created() {
    if(this.$adminInfo().ids){
      this.$routerGo('/admin-index')
    }
  }
}
</script>

<style lang="scss">
/* 修复input 背景不协调 和光标变色 */
/* Detail see https://github.com/PanJiaChen/vue-element-admin/pull/927 */

$bg:#283443;
$light_gray:#fff;
$cursor: #fff;

@supports (-webkit-mask: none) and (not (cater-color: $cursor)) {
  .login-container .el-input input {
    color: $cursor;
  }
}

/* reset element-ui css */
.login-container {
  .el-input {
    display: inline-block;
    height: 47px;
    width: 85%;

    input {
      background: transparent;
      border: 0px;
      -webkit-appearance: none;
      border-radius: 0px;
      padding: 12px 5px 12px 15px;
      color: $light_gray;
      height: 47px;
      caret-color: $cursor;

      &:-webkit-autofill {
        box-shadow: 0 0 0px 1000px $bg inset !important;
        -webkit-text-fill-color: $cursor !important;
      }
    }
  }

  .el-form-item {
    border: 1px solid rgba(255, 255, 255, 0.1);
    background: rgba(0, 0, 0, 0.1);
    border-radius: 5px;
    color: #454545;
  }
}
</style>

<style lang="scss" scoped>
$bg:#2d3a4b;
$dark_gray:#889aa4;
$light_gray:#eee;

.login-container {
  min-height: 100%;
  width: 100%;
  background-color: $bg;
  overflow: hidden;

  .login-form {
    position: relative;
    width: 520px;
    max-width: 100%;
    padding: 160px 35px 0;
    margin: 0 auto;
    overflow: hidden;
  }

  .tips {
    font-size: 14px;
    color: #fff;
    margin-bottom: 10px;

    span {
      &:first-of-type {
        margin-right: 16px;
      }
    }
  }

  .svg-container {
    padding: 6px 5px 6px 15px;
    color: $dark_gray;
    vertical-align: middle;
    width: 30px;
    display: inline-block;
  }

  .title-container {
    position: relative;

    .title {
      font-size: 26px;
      color: $light_gray;
      margin: 0px auto 40px auto;
      text-align: center;
      font-weight: bold;
    }
  }

  .show-pwd {
    position: absolute;
    right: 10px;
    top: 7px;
    font-size: 16px;
    color: $dark_gray;
    cursor: pointer;
    user-select: none;
  }
}
</style>
